Hatch-door



(No Model.)

o. KIBBLB. HATCH DOOR.

No. 486,341.l Patented Nov. 15, 1.892.

A 770/?NE YS.

,NITED STATES PATENT Ormes;

CUNO KIBEL, OF BLUFFTON, INDIANA.

:HATCH-Doyon.

sPEcIFIcArIoN forming part of Letters Patent No. 486,341, dated November 15,1892

Application iiled April 5, 1892.

To a/ZZ whom, it may concern-.-

Be it known that I, CUNo KIBELE, of Bluffton, in the county of Vells and State of Indiana, have invented a new and Improved Hatch-Door, of which the following is a full, clear, and exact description.

My invention relates to improvements in sliding hatch-doors, which are adapted to close hatch-holes, elevator-wells, and similar dooropenings; and the object of my invention is to producean eicient and durable non-combustible door which may be arranged so as to close tightly any opening in a floor and to provide mechanism whereby the several doors in a building may be simultaneously closed or either one of them operated from any floor of the building, to the end that in case of fire the elevator-well or similar shaft may be closed, so as to prevent draft and consequent rapid spread of flames, and so, also, as to prevent the smoke from passing from floor to iioor and filling the building and blinding and suffocating its occupants.

With these ends in view my-invention conslsts in certain features of construction and combinations of the same, as will be hereinafter described, and then pointed out in the claims.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar tigures of reference indicate corresponding parts in all the views.

Figure 1 is a broken side elevation, partly in sect-ion, showing the application of the doors to the iioors of a building and mechanism for operating the doors. Fig. 2 is a plan view of one of the doors and its operating mechanism. Fig. 3 is a cross-section on the line 3 3 in Fig. 2. Fig. 4 is an enlarged detail view of the clutch mechanism arranged at each floor. Fig. 5 is a longitudinal section of the clutch-pulleys and the clutch. Fig. 6 is a detail section on line 2 2, showing the construction of the cable-slot leaves or doors.

In the drawings, 10 represents an elevatorwell or similar opening, and at the floors 11 of a building are sliding doors 12, whichvare adapted to entirely close the Well, each door being held to slide in a recess 13 between the floortimbers. rI he door 12 is preferably made of sheet metal and is stiffened by angleirons 14 and 15, which are riveted to its top Serial No. 427,840. (No model.)

and extend longitudinally and transversely across it. v

The door is held to slide on rollers 16, which are grooved and held to run on tracks 17,l these being mounted on supports 17a between the floors, and the tracks are also continued across the well, being formed on plates 17", which are secured to the sides of the well, as shown in Fig. 2. The side edges of the door project beyond the tracks 17, so that when the door is closed it will close the well and will also close the slots adjacent to the side posts on which the elevator-car runs.

The inner edge of the door is slotted, as shown at 18, to provide for the movement of thehoisting-cable 20, and the slotis normally closed by freelyswinging leaves 19,which are adapted to swing out of the path ofthe cable and which have their ends tapered, as shown in Fig. 2, so that thedoor may be readily pushed over the cable. The leaves or doors 19 are curved upward throughout their length and contact, along their longitudinal edges above their hinges or pivots, so that they cannot swing downward when said edges come in contact, but are free to swing upward, as will be readily understood by referring to Figs. 2 and 6. The leaves swing down by gravity. The leaves do not extend quite to the inner end of the slot 18. Consequently when the door is closed the cable may be held in the inner end of the slot and inside the leaves 19.

On the top of the door are parallel rackbars 21, these being arranged near the side edges of the door and formed, preferably, on angle-irons, which are riveted to the door, and the rack-bars mesh with pinions 22, which are secured to a transverse shaft 23, journaled in suitable bearings and extending across the top of the door. shaft 23 is a sprocket-wheel 2l, which is driven by a chain 25, connecting with a sprocket- Wheel 26 on a shaft 27,which is journaled in suitable bearings at one side of the elevatorwell. The sprocket-wheel 26 turns loosely on the shaft 27 and is connected by a clutch 28 with a .sprockt-wheel 29, which is also loose on the shaft. The clutch 28 consists of interlocking arms 30, formed on the hubs of the sprock- On the outer end of the IOO et-wheels 2G and 29; butany suitable clutch wheel 26, and a xed collar 32 is arranged parallel therewith and is pressed -byfa spring 33, which is coiled around the shaft 27 between the collar 32 and the bearing 34, as best shown in Fig. 4, and the pressure of the spring normally pushes the sprocket-Wheel 26 so as to cause the arms 30 'to interlock andl the Wheels 26 and 29 to turn together. A fork 35, formed on a rod 36 in the usual manner,l enters between the collars 3l and 32, andthe free end of the rod 36 is pivoted to alever 37, which is centrally pivoted in a hanger 3S, eX-` tending parallel with the shaft 27, and one end of thelever is secured `to a cordorcable 39, which extends over suitable guide-pulleys 40, and extends also up and-downatone side of the elevator-well. The cord or cable .39 connects witha lever 4l, which .is .fulcrumed atoneend, as shown at 42, and is pressed into avertical position bya spring 43. B5/:throwingdown .the leveragainst the pressure of the spring `the cordor cable `is rpulled, the lever' 37 istiltedrand the sprocket-Wheel 26-thrown outof f gearfso that it is `not driven bythe movement of .thesprocket-wheel .29. Tglhisfarrangementwthat is, theclutch mechanisnrand the door-operatingmechanism-isfarranged at each oor'of a building. An Aendless -chain 44 extends vertically .through the .building and `engages thesprocket-.wheels 29, tehe.chain binguheld against the Wheels byg\1ides.45, as shoWninAFigfef. It willfbe,seentheuthatfto closeall the doors `of the wbuildingit is only` Y necessary to pull downward on one side of the.

chain 44, as :this will revolve the sprocketwheels 29 and 26,and the motionwill be transmitted to theshaft 23,which,by frevolvxing,wi11 cause thepinions 22 `to drive .the 1ack-.bars 2l 1 and closeathe doors. Toopelrthe doors, the op claiinas newand desire to secure by Letters Patentl. Thecombination, with the slidable doors, each having parallel racks on its upper side and a cable-slot and each door provided along .the slotedges with hinged leaves having both ends curved or beveled to facilitate the entrance of `the cable, of a series of shafts 23, Vone shaft crossing the upper side of each of the several doorsandfhaving.pinionsmeshing into `said racks, sprocket-.wheels 24 on 'the ends of the rshafts, a shaft 27 at each fioor, parallel .with-shafts 23 and lhavinga slidable sprocket-wheel 26,operating mechanism therefor at each floor, sprocket-Wheels 29 also on theseveral shafts 27 and 'connect-edwith'the sprocket-Wheels26rbyclutches,andasprockeb chain 44,connecting :the several sprockety'heels 29and1held thereto .by guides 45,substantallyas set forth.

2. 4A hatch-.door having acable-slot and provided alongthe edgesof :the slot with hinged upwardswinging leaves, `said leaves being cur-ved orinelinedupward at theirrinneredges and coutactingfabove `their hinges'or ipivots, whereby 1they are free yto uswing upward, ibut are limited in their ldownward Arlnovement, substantiallyas set forth.

`CUN@ KIBELE Witnesses:

ADALGo WANDEL, W. T. 'IXSUAIM 

